diff --git a/src/com/reason/lang/reason/RmlParser.java b/src/com/reason/lang/reason/RmlParser.java
index 962fb041f..766c20c59 100644
--- a/src/com/reason/lang/reason/RmlParser.java
+++ b/src/com/reason/lang/reason/RmlParser.java
@@ -255,14 +255,17 @@ private void parseComma(@NotNull PsiBuilder builder, ParserState state) {
         if (state.isCurrentResolution(functionBody)) {
             // a function is part of something else, close it first
             state.popEnd().popEnd();
+        } else if (state.isCurrentResolution(modulePath)) {
+            state.complete().popEnd();
         }
 
         if (state.isCurrentResolution(functionParameterNamedSignatureItem)) {
             state.complete().
                     popEndUntilResolution(functionParameterNamed).popEnd().
                     advance().
-                    add(mark(builder, functionParameter, functionParameter, m_types.C_FUN_PARAM));
+                    add(mark(builder, functionParameter, m_types.C_FUN_PARAM));
         }
+
         if (state.isCurrentResolution(signatureItem) && !state.isCurrentContext(recordSignature)) {
             state.popEnd();
             state.advance();
@@ -651,7 +654,7 @@ private void parseLIdent(@NotNull PsiBuilder builder, ParserState state) {
             state.complete();
             state.setPreviousComplete();
         } else if (state.isCurrentResolution(functionParameters)) {
-            state.add(mark(builder, state.currentContext(), functionParameter, m_types.C_FUN_PARAM).complete());
+            state.add(mark(builder, functionParameter, m_types.C_FUN_PARAM).complete());
         } else if (state.isCurrentResolution(external)) {
             // EXTERNAL <LIDENT> ...
             state.updateCurrentResolution(externalNamed);
diff --git a/tests/com/reason/lang/reason/FunctionCallTest.java b/tests/com/reason/lang/reason/FunctionCallTest.java
index 0e81bde60..c51a086ae 100644
--- a/tests/com/reason/lang/reason/FunctionCallTest.java
+++ b/tests/com/reason/lang/reason/FunctionCallTest.java
@@ -37,4 +37,10 @@ public void testCall3() {
         assertEmpty(callParams.getParameterList());
     }
 
+    public void testIssue120() {
+        PsiLet e = first(letExpressions(parseCode("let _ = f(x == U.I, 1)")));
+
+        PsiFunctionCallParams params = PsiTreeUtil.findChildOfType(e, PsiFunctionCallParams.class);
+        assertSize(2, params.getParameterList());
+    }
 }