diff --git a/sci-electronics/minipro/Manifest b/sci-electronics/minipro/Manifest
index c2a9325..d939fdc 100644
--- a/sci-electronics/minipro/Manifest
+++ b/sci-electronics/minipro/Manifest
@@ -1,3 +1,4 @@
 AUX minipro-9999-firmware-03.2.86.patch 1008 BLAKE2B 83500ef8376c0af9800d2e1986b2143795f0a6ca935a5efe34447a3b3ff9b0384c403e7d548f3cc6a7021eb4eb91605e81cfe4bbdbe760004827abe7917b3edd SHA512 a05e9eeed2144d75d1b0bdc7886f5c108a5207faedbe0e96cfa1d8cfd043f90e6ce5cff5bbf6782498d2cfd9b89cb90d566f21977872810cf74573578b7b8cf6
 AUX minipro-9999-infoic.patch 3094 BLAKE2B 16e6dae51fea157cabf8feb65e351a1f5d689396eabfb7f7528c069fcbbe3b752a8dd9f45d98f043f5153a0f0866ca0758e3fcb48e6db4e40c11a86c73beb9cc SHA512 e13fcd785059bae338a88022d6ae2499d0362022ecaff83d316a9eec8e8d303962d5ac8a6775e457ac050d483f92dc581567828d4e548103d2985d315b9e74e8
-EBUILD minipro-9999.ebuild 784 BLAKE2B b6aaa61d5cf24f63747237fd0f2bccc254471af8f4871b6ffa9dbb2c5c4601f0a2207254a4fa8ce277fbe8cb2957b6bcd1b8e895c88f9125801a4b9faba7c268 SHA512 49f460676569567eb8e872b445f8d99ec28b59cc67afb1e13fb7daa371a9b6ab1a7bba9af0e5797ee9356dbb45e990c86ca16838682cd0d5ccdec30f96c3bdc4
+AUX minipro-9999-voltages.patch 340 BLAKE2B 0da44851a5d1910dae6d27f416059947a6c303a7ec4906abad4dbbc508fbd606147372c99decff152e5829debd8c95cf28754b9518a5c61970a835bbb250e71c SHA512 3be8c037a4801ea00bff65bada29d920609cdb5c78d69b5b93caaff27a40804909d37804e563cdf240af1af364f3743a09e3f946f85921aab578888aca7f2015
+EBUILD minipro-9999.ebuild 833 BLAKE2B f7515f6317e0fae55cb424433d3e76755df883788aca6f7e9d93683da2b77eb553a512cb61ddd2925a3c2f37b00919c51df3563961d78a597df24de00d2afdd0 SHA512 53d44253ac202f9a781cd7c262f13b09d094cf4f73978daef420764a32f5a2e62b97d6895945172c94a32686d97a5c3b42ee8ec9e98d7ad7e5cbb5c2a6cfd482
diff --git a/sci-electronics/minipro/files/minipro-9999-infoic.patch b/sci-electronics/minipro/files/minipro-9999-infoic.patch
index 2ff5855..53d261f 100644
--- a/sci-electronics/minipro/files/minipro-9999-infoic.patch
+++ b/sci-electronics/minipro/files/minipro-9999-infoic.patch
@@ -1,5 +1,6 @@
---- ./infoic.xml.orig	2021-01-03 00:27:27.845121418 +0100
-+++ infoic.xml	2021-01-05 23:49:33.674455079 +0100
+diff -ur minipro-9999.orig/infoic.xml minipro-9999/infoic.xml
+--- minipro-9999.orig/infoic.xml	2021-05-28 23:56:34.781249811 +0200
++++ minipro-9999/infoic.xml	2021-05-29 00:00:17.146378752 +0200
 @@ -12647,6 +12647,7 @@
        <ic name="LH28F016SC@TSOP40" type="1" protocol_id="0x13" variant="0x40" read_buffer_size="0x200" write_buffer_size="0x100" code_memory_size="0x200000" data_memory_size="0x00" data_memory2_size="0x00" chip_id="0x89aa" chip_id_bytes_count="0x02" opts1="0x00" opts2="0x0000" opts3="0x000a" opts4="0x0078" opts5="0x0000" opts6="0x0000" opts7="0x0000" opts8="0x5644" package_details="0x00000003" fuses="NULL" />
        <ic name="LH28F160BJE-B@TSOP48" type="1" protocol_id="0x12" variant="0x43" read_buffer_size="0x1000" write_buffer_size="0x100" code_memory_size="0x200000" data_memory_size="0x00" data_memory2_size="0x00" chip_id="0xb000e900" chip_id_bytes_count="0x04" opts1="0xff" opts2="0x0000" opts3="0x000a" opts4="0x1002078" opts5="0xff01" opts6="0x0000" opts7="0x0000" opts8="0x2760" package_details="0x00000001" fuses="NULL" />
diff --git a/sci-electronics/minipro/files/minipro-9999-voltages.patch b/sci-electronics/minipro/files/minipro-9999-voltages.patch
new file mode 100644
index 0000000..892bbb0
--- /dev/null
+++ b/sci-electronics/minipro/files/minipro-9999-voltages.patch
@@ -0,0 +1,11 @@
+diff -urN minipro-9999.orig/database.c minipro-9999/database.c
+--- minipro-9999.orig/database.c	2021-05-28 15:54:57.149445371 +0200
++++ minipro-9999/database.c	2021-05-28 15:56:05.639534207 +0200
+@@ -439,6 +439,7 @@
+     device->config = NULL;
+   else
+     return EXIT_FAILURE;
++  device->opts7 = MP_VOLTAGES1;
+   return EXIT_SUCCESS;
+ }
+ 
diff --git a/sci-electronics/minipro/minipro-9999.ebuild b/sci-electronics/minipro/minipro-9999.ebuild
index 3e35d8a..8e2b40c 100644
--- a/sci-electronics/minipro/minipro-9999.ebuild
+++ b/sci-electronics/minipro/minipro-9999.ebuild
@@ -20,6 +20,7 @@ DEPEND="${RDEPEND}"
 
 src_prepare() {
 	epatch "${FILESDIR}/${P}-infoic.patch" || die
+	epatch "${FILESDIR}/${P}-voltages.patch" || die
 
 	default
 }