diff --git a/Project.toml b/Project.toml
index c8176911b..1b94a8e10 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "StructuralEquationModels"
 uuid = "383ca8c5-e4ff-4104-b0a9-f7b279deed53"
 authors = ["Maximilian Ernst", "Aaron Peikert"]
-version = "0.2.0"
+version = "0.2.1"
 
 [deps]
 DataFrames = "a93c6f00-e57d-5684-b7b6-d8193f3e46c0"
diff --git a/src/additional_functions/start_val/start_fabin3.jl b/src/additional_functions/start_val/start_fabin3.jl
index a15c3a7fe..25d3e525b 100644
--- a/src/additional_functions/start_val/start_fabin3.jl
+++ b/src/additional_functions/start_val/start_fabin3.jl
@@ -122,7 +122,7 @@ function start_fabin3(ram_matrices::RAMMatrices, Σ, μ)
         end
 
         for ram_constant in constants
-            if (ram_constant.matrix == :A) & (ram_constant.index[2] == i) & (ram_constant.index[1] ∈ F_ind)
+            if (ram_constant.matrix == :A) && (ram_constant.index[2] == i) && (ram_constant.index[1] ∈ F_ind)
                 push!(loadings, Symbol(""))
                 if isone(ram_constant.value)
                     push!(reference, ram_constant.index[1])
diff --git a/src/frontend/specification/RAMMatrices.jl b/src/frontend/specification/RAMMatrices.jl
index 2fae887cf..203e389d8 100644
--- a/src/frontend/specification/RAMMatrices.jl
+++ b/src/frontend/specification/RAMMatrices.jl
@@ -82,7 +82,7 @@ function set_RAMConstant!(A, S, M, rc::RAMConstant)
         S[rc.index] = rc.value
         S[rc.index[2], rc.index[1]] = rc.value
     elseif rc.matrix == :M
-        M[rd.index] = rc.value
+        M[rc.index] = rc.value
     end
 end
 
@@ -395,4 +395,4 @@ end
 
 function get_group(d::Dict, group)
     return d[group]
-end
\ No newline at end of file
+end
diff --git a/test/examples/political_democracy/political_democracy.jl b/test/examples/political_democracy/political_democracy.jl
index 45dd6136d..29b29e3d4 100644
--- a/test/examples/political_democracy/political_democracy.jl
+++ b/test/examples/political_democracy/political_democracy.jl
@@ -185,6 +185,7 @@ graph = @StenoGraph begin
     y8 ↔ y4 + y6
     # means
     Symbol("1") → _(mean_labels).*_(observed_vars)
+    Symbol("1") → fixed(0)*ind60
 end
 
 spec_mean = ParameterTable(
@@ -209,4 +210,4 @@ if ENV["JULIA_EXTENDED_TESTS"] == "true"
     @testset "Graph → ParameterTable | parts | Optim" begin include("by_parts.jl") end
     semoptimizer = SemOptimizerNLopt
     @testset "Graph → ParameterTable | parts | NLopt" begin include("by_parts.jl") end
-end
\ No newline at end of file
+end