diff --git a/tests/FilesT.cpp b/tests/FilesT.cpp
index a68f3b26..7462a3f6 100644
--- a/tests/FilesT.cpp
+++ b/tests/FilesT.cpp
@@ -300,4 +300,19 @@ TEST_CASE("[Files] sw_default and playing with switches")
     REQUIRE( synth.getRegionView(1)->isSwitchedOn() );
     REQUIRE( !synth.getRegionView(2)->isSwitchedOn() );
     REQUIRE( synth.getRegionView(3)->isSwitchedOn() );
+}
+
+
+TEST_CASE("[Files] wrong (overlapping) replacement for defines")
+{
+    sfz::Synth synth;
+    synth.loadSfzFile(std::filesystem::current_path() / "tests/TestFiles/SpecificBugs/wrong-replacements.sfz");
+    REQUIRE( synth.getNumRegions() == 3 );
+    REQUIRE( synth.getRegionView(0)->keyRange.getStart() == 52 );
+    REQUIRE( synth.getRegionView(0)->keyRange.getEnd() == 52 );
+    REQUIRE( synth.getRegionView(1)->keyRange.getStart() == 57 );
+    REQUIRE( synth.getRegionView(1)->keyRange.getEnd() == 57 );
+    REQUIRE( synth.getRegionView(2)->amplitudeCC );
+    REQUIRE( synth.getRegionView(2)->amplitudeCC->first == 10 );
+    REQUIRE( synth.getRegionView(2)->amplitudeCC->second == 34.0f );
 }
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diff --git a/tests/TestFiles/SpecificBugs/wrong-replacements.sfz b/tests/TestFiles/SpecificBugs/wrong-replacements.sfz
new file mode 100644
index 00000000..5bc0cb80
--- /dev/null
+++ b/tests/TestFiles/SpecificBugs/wrong-replacements.sfz
@@ -0,0 +1,7 @@
+#define $KeyCrash2Edge     52 // Crash Cymbal 2 (Edge)
+#define $KeyCrash2     57 // Crash Cymbal 2 (Bow)
+#define $Param     10 // Opcode parameter replacement
+
+<region> key=$KeyCrash2Edge sample=../mono_sample.wav
+<region> key=$KeyCrash2 sample=../mono_sample.wav
+<region> amplitude_oncc$Param=34 sample=../mono_sample.wav
\ No newline at end of file