diff --git a/VERSIONS b/VERSIONS
index 296eaaaa2..0d16a56a1 100644
--- a/VERSIONS
+++ b/VERSIONS
@@ -3,11 +3,13 @@ ChucK VERSIONS log
 ------------------
 
 1.5.3.1 (October 2024)
-- (ChuGL maintanance patch)
+*** ChuGL maintanance patch ***
 - (fixed) crash caused by calling UI functions before calling GG.nextFrame();
     now prints a warning with a hint to call GG.nextFrame()
 - (fixed) CPU and memory spikes when minimizing a ChuGL window
 - (fixed) crash caused by immediately disconnecting GGen after -->
+*** language maintenance ***
+- (fixed) ADSR constructors now work correctly
 
 
 1.5.3.0 (September 2024)
diff --git a/src/core/ugen_stk.cpp b/src/core/ugen_stk.cpp
index c04075124..650a2352b 100644
--- a/src/core/ugen_stk.cpp
+++ b/src/core/ugen_stk.cpp
@@ -3936,7 +3936,7 @@ by Perry R. Cook and Gary P. Scavone, 1995 - 2002.";
     type_engine_import_add_ex(env, "basic/blit2.ck");
 
     // add construtor ADSR( dur attack, dur decay, float sustain, dur release ) | 1.5.2.5 (added) ge & eito
-    func = make_new_ctor( ADSR_ctor_floats );
+    func = make_new_ctor( ADSR_ctor_durs );
     func->add_arg( "dur", "attack" );
     func->add_arg( "dur", "decay" );
     func->add_arg( "float", "sustain" );
@@ -3945,7 +3945,7 @@ by Perry R. Cook and Gary P. Scavone, 1995 - 2002.";
     if( !type_engine_import_ctor( env, func ) ) goto error;
 
     // add constructor ADSR( float attack, float decay, float sustain, float release ) | 1.5.2.5 (added) ge & eito
-    func = make_new_ctor( ADSR_ctor_durs );
+    func = make_new_ctor( ADSR_ctor_floats );
     func->add_arg( "float", "attack" );
     func->add_arg( "float", "decay" );
     func->add_arg( "float", "sustain" );