diff --git a/core/src/main/java/org/teavm/backend/wasm/dwarf/DwarfConstants.java b/core/src/main/java/org/teavm/backend/wasm/dwarf/DwarfConstants.java
index 10d82d7da..21bb8d131 100644
--- a/core/src/main/java/org/teavm/backend/wasm/dwarf/DwarfConstants.java
+++ b/core/src/main/java/org/teavm/backend/wasm/dwarf/DwarfConstants.java
@@ -54,6 +54,7 @@ public final class DwarfConstants {
     public static final int DW_ATE_UTF = 0x10;
 
     public static final int DW_LANG_JAVA = 0x0b;
+    public static final int DW_LANG_C_PLUS_PLUS = 0x04;
 
     public static final int DW_CHILDREN_YES = 1;
     public static final int DW_CHILDREN_NO = 0;
diff --git a/core/src/main/java/org/teavm/backend/wasm/generate/DwarfGenerator.java b/core/src/main/java/org/teavm/backend/wasm/generate/DwarfGenerator.java
index b92b1cf2e..3bc4a33f9 100644
--- a/core/src/main/java/org/teavm/backend/wasm/generate/DwarfGenerator.java
+++ b/core/src/main/java/org/teavm/backend/wasm/generate/DwarfGenerator.java
@@ -26,7 +26,7 @@ import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_FORM_ADDR;
 import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_FORM_DATA2;
 import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_FORM_SEC_OFFSET;
 import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_FORM_STRP;
-import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_LANG_JAVA;
+import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_LANG_C_PLUS_PLUS;
 import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_TAG_COMPILE_UNIT;
 import static org.teavm.backend.wasm.dwarf.DwarfConstants.DW_UT_COMPILE;
 import java.util.ArrayList;
@@ -82,7 +82,7 @@ public class DwarfGenerator {
             data.writeLEB(DW_AT_HIGH_PC).writeLEB(DW_FORM_ADDR);
         }));
         infoWriter.writeInt(strings.stringRef("TeaVM"));
-        infoWriter.writeShort(DW_LANG_JAVA);
+        infoWriter.writeShort(DW_LANG_C_PLUS_PLUS);
         infoWriter.writeInt(strings.stringRef("classes.wasm"));
         infoWriter.writeInt(0);
         infoWriter.writeInt(0);